Mineral Nutrition Research Division;
State Key Laboratory of Animal Nutrition;
Institute of Animal Science;
Chinese Academy of Agricultural Sciences;
Beijing;
100193;
China;
Poultry Mineral Nutrition Laboratory;
College of Animal Science and Technology;
Yangzhou University;
Yangzhou;
225000;
China;
Department of Animal Science;
Hebei Normal University of Science and Technology;
Qinhuangdao;
066004;
China;
Biochemistry Department;
Case Western Reserve University;
Cleveland;
44106;
USA;
Selenium; Selenoprotein; Gene expression; Requirement; Broiler;